Sheet-metal stopper for bottles, jars, &amp;c.



A. L. WEISSENTHANNER.

SHEET METAL STOPPER FOR BOTTLES, J ARS, 6w. APPLICATION FILED MAY 121908. RENEWED JUNE lfi, 1910.

Patented Feb. 7, 1911.

UNITED STATES ALFRED Ih WEISSENTHANNER, NEW YORK, N. Y.

SHEET-METAL STOPPED FOR BOTTLES, JARS, Gua- Specification of LettersPatent.

l atentedFeb. "7. 1911.

Application filed May 12, 1908, Serial No. 432,380. Renewed June 1910.Serial No.,- 56 7, 070..-

. new and useful Improvements in Sheet-- Metal Sto pers for Bottles,Jars, &c., of which the ollowing is a specification.

This invention relates to stoppers for bottles, jars, etc., andparticularly to that class in which is employed a metallic sealingfcap,

the flange of which is adapted to be forced into lockin engagement withthe neck of the receptac e.

The object of my invention is to provide a construction in which thelower portion of the locking flange of the cap is folded inwardly uponitself, flared outwardly, and corrugated, whereby when such portion isconstricted radially, the free edge of the inner fold is caused to exertan effective gripping action on the receptacle, and yet by theapplicationofa suitable opening tool to the lower folded edge of theflange, in the usual manner, the stopper can be readily and safelyremoved from the receptacle,-as will be hereinafter described andclaimed.

In the drawings-Figure 1 is a side ele -pe vation, partly in section, ofa stopper embodying my. invention. Fig. 2 is a sectional elevationthereof as applied to a bottle. Fig. 3 is a partial transverse section,as on. the line X of Fig. 2. .Fig. 4 is a bottom view of the stopper,showing one-half thereof constricted to effect the inward bulging of theribs or corrugations on the inner fold of the flange.

My improved stopper isstamped out of a single piece of sheet metal toproduce the top or crown 1 and the integral depending flange 2. Thelowerportion of this flange is flared outwardly and downwardly, as at 3;its free end is turned inwardly and upwardly, as at 4; and the portionthus doubled is crimped or corrugated throughout,'as at 5. The depth ofthe flange is such that when the stopper is applied to the mouth" of abottle or other receptacle .the lower folded and crimped ortion of .theflange extends belowthe-usua shoulder 6 on the neck of the receptacle sothat when such portion of ,the flan is forcibly'constricted by radialpressure t ereon, the ribs or corrugations on the inner foldaretransversely contracted and theirfree edges thus caused to spread orbulge inward and take under the shoulder, as illustrated in -'Fi g.2.

The sto per is provided with-the usual sealing dis 7, of corkor'otheryielding material, which is forced downwardly u on and around the mouthof the receptacle uring the application of the stopper thereto.

The inwardly and-upwardly inclined portion of the flange due to the dislacement of the corrugations thereof, afior s and in-165 sures areliable locking of the stopper to the receptacle; The internal upwardpressure upon the stopper by the gaseous contents of the receptaclecauses Suchflnc'lined portion to exert a still more eflicient grippinaction upon the neck of the receptacle, an yet by the application of theusual opening tool to the lower-reinforced edge of the flange, theremoval of the stopper from the vessel' can readily and safelyaccomplished.

I claim-- v r 1. A metal stopper having an integral dending flange, thelower portion whereof is folded inwardly u on itself, flared downsowardly, and crimpe or corrugated, whereby when such portion isconstricted, the ribs or corrugations on the innerfold are transverselycontracted and their. free upper. edges thus caused to spread or bulgeinto- 5 locking engagement with the receptacle.

2. In combination with a receptacle having an annular locking shoulder,a sealing disk, and a metallic cap provided with a flange whereof itslower portion is folded inwardly and upwardly, and'the adjacent surfacescorrespondingly corrugated, the free ends of the ribs or corrugations ofthe inner fold being in locking engagement'with the shoulder. I

Signed-at New York, in the county of New York and State of New York,this eleventh day of May 1908.

ALFRED L. WEISSENTHANNER. Witnesses:

' E. C.Kannonrr, Jon'N R. Noam.

